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Finding the Fourth Proportional to 680,044, 1,020,059.92 and 253,565.32

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Solution

The fourth proportional to 680,044, 1,020,059.92 and 253,565.32 is: 380,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,044 : 1,020,059.92 = 253,565.32 : x
  2. Step 2: Convert to fraction form
    680,044/1,020,059.92 = 253,565.32/x
  3. Step 3: Cross multiply
    680,044x = 1,020,059.92 × 253,565.32
  4. Step 4: Simplify right side
    680,044x = 258,651,820,033.97
  5. Step 5: Solve for x
    x = 258,651,820,033.97/680,044
  6. Step 6: Final answer
    x = 380,345.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.